Spa exterior



FIG. 1 is a front elevation view of the spa exterior showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom elevation view thereof; and,

FIG. 7 is a top perspective view thereof.

The broken lines in FIGS. 5, 6, and 7 represent unclaimed portions of the spa shell. 

CLAIM We claim the ornamental design for a spa exterior, as shown and described. 